JVC UX-P550 Service Manual page 27

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4.1.4 DVD test mode
Into the DVD test mode. Test mode contents is refer to module spec.
DVD test mode is canceled by POWER OFF and except source DVD.
4.1.5 DVD initialize
DVD module initialized.
LCD segment is light on at initialize completed.
4.1.6 TUNER AM switch to 9kHz-step only U version
AM frequency change to 9kHz at U-version.
4.1.7 TUNER AM switch to 10kHz-step only U version
AM frequency change to 10kHz at U-version.
Insert the power cord in an outlet while pressing
the "DVD/CD" and "RHYTHM AX" keys on the
main unit simultaneously.
A main unit entered in the
DVD test mode.
Press the "3D PHONIC" key on the main
unit during the DVD test mode.
DVD initialization is completed
Press the "POWER" and "B.SKIP" keys
on the main unit simultaneously.
A tuner unit entered in the
9kHz step mode.
Press the "POWER" and "F.SKIP" keys
on the main unit simultaneously.
A tuner unit entered in the
10kHz step mode.
Digitized in Heiloo Netherlands
2/4/2018
(No.MB227)1-27